After being injured in a car accident, Thu – a blind girl comes to the police to report an incident that she believes it has become a murder. However, she encounters many difficulties to convince the police since she is blind. At the same time, Hai – another witness suddenly appears with a testimony contradicting Thu on that crime. While the police is having a headache verifying whose information is true, the assassin silently approaches both Thu and Hai, and tries to kill the witnesses.